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Unreal packages are a fucking mess ahahahahahaha.

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I really should just merge together all the extractors for modern packages.
This commit is contained in:
Marisa the Magician 2019-12-12 20:16:57 +01:00
commit 71bca23b6e
4 changed files with 214 additions and 127 deletions
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70
usndextract.c
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@ -171,7 +171,7 @@ void readimport2( int32_t *cpkg, int32_t *cname, int32_t *pkg, int32_t *name )
*cpkg = readindex();
*cname = readindex();
if ( head->pkgver >= 55 ) *pkg = readdword();
else *pkg = readindex();
else *pkg = 0;
*name = readindex();
}
@ -214,7 +214,7 @@ void readexport2( int32_t *class, int32_t *super, int32_t *pkg, int32_t *name,
*class = readindex();
*super = readindex();
if ( head->pkgver >= 55 ) *pkg = readdword();
else *pkg = readindex();
else *pkg = 0;
*name = readindex();
*flags = readdword();
*siz = readindex();
@ -231,37 +231,31 @@ void getexport2( int index, int32_t *class, int32_t *super, int32_t *pkg,
fpos = prev;
}
void savesound( int32_t namelen, char *name, int version )
void savesound( int32_t namelen, char *name, int version, int32_t grouplen, char *group )
{
char fname[256] = {0};
int32_t fmt = readindex(); // not really needed, always assume wav
int32_t grp, grouplen;
char *group;
if ( version > 35 )
// in some versions it's the group, though
if ( version <= 35 )
{
// ????
readindex();
readindex();
grp = readindex();
grouplen = 0;
group = (char*)(pkgfile+getname(grp,&grouplen));
// ????
readindex();
}
else
{
grp = readindex();
grouplen = 0;
int32_t grp = readindex();
group = (char*)(pkgfile+getname(grp,&grouplen));
readindex(); // unknown
}
else if ( version < 55 )
group = (char*)(pkgfile+getname(fmt,&grouplen));
uint32_t ofsnext = 0;
if ( version >= 63 ) ofsnext = readdword(); // not needed but gotta read
// the actual important info starts now
int32_t sndsize = readindex();
char *snddata = (char*)(pkgfile+fpos);
if ( strncmp(group,"None",grouplen) ) snprintf(fname,256,"%.*s.%.*s.wav",grouplen,group,namelen,name);
else snprintf(fname,256,"%.*s.wav",namelen,name);
char fname[256];
if ( group && strncmp(group,"None",grouplen) )
{
snprintf(fname,256,"Sounds/%.*s",grouplen,group);
mkdir(fname,0775);
snprintf(fname,256,"Sounds/%.*s/%.*s.wav",grouplen,group,namelen,name);
}
else snprintf(fname,256,"Sounds/%.*s.wav",namelen,name);
FILE *f = fopen(fname,"wb");
fwrite(snddata,sndsize,1,f);
fclose(f);
@ -318,8 +312,8 @@ int main( int argc, char **argv )
fpos = head->oexports;
for ( uint32_t i=0; i<head->nexports; i++ )
{
int32_t class, ofs, siz, name;
readexport(&class,&ofs,&siz,&name);
int32_t class, super, pkg, name, flags, siz, ofs;
readexport2(&class,&super,&pkg,&name,&flags,&siz,&ofs);
if ( (siz <= 0) || (class >= 0) ) continue;
// get the class name
class = -class-1;
@ -328,8 +322,21 @@ int main( int argc, char **argv )
char *n = (char*)(pkgfile+getname(getimport(class),&l));
int ismesh = !strncmp(n,"Sound",l);
if ( !ismesh ) continue;
mkdir("Sounds",0775);
// get the highest group name (must be an export)
char *pkgn = 0;
int32_t pkgl = 0;
while ( pkg > 0 )
{
int32_t pclass, psuper, ppkg, pname, pflags, psiz, pofs;
getexport2(pkg-1,&pclass,&psuper,&ppkg,&pname,&pflags,&psiz,&pofs);
pkgn = (char*)(pkgfile+getname(pname,&pkgl));
pkg = ppkg;
}
char *snd = (char*)(pkgfile+getname(name,&l));
printf("Sound found: %.*s\n",l,snd);
if ( pkgn && strncmp(pkgn,"None",pkgl) )
printf("Sound found: %.*s.%.*s\n",pkgl,pkgn,l,snd);
else printf("Sound found: %.*s\n",l,snd);
int32_t sndl = l;
#ifdef _DEBUG
char fname[256] = {0};
@ -346,10 +353,8 @@ int main( int argc, char **argv )
if ( head->pkgver < 45 ) fpos += 4;
if ( head->pkgver < 55 ) fpos += 16;
if ( head->pkgver <= 44 ) fpos -= 6; // ???
if ( head->pkgver == 45 ) fpos -= 2; // ???
if ( head->pkgver <= 35 ) fpos += 8; // ???
// only very old packages have properties for sound classes
if ( head->pkgver > 35 )
goto noprop;
// process properties
int32_t prop = readindex();
if ( (uint32_t)prop >= head->nnames )
@ -393,26 +398,25 @@ retry:
psiz = readdword();
break;
}
printf(" prop %.*s (%u, %u, %u, %u)\n",l,pname,array,type,(info>>4)&7,psiz);
//printf(" prop %.*s (%u, %u, %u, %u)\n",l,pname,array,type,(info>>4)&7,psiz);
if ( array && (type != 3) )
{
int idx = readindex();
printf(" index: %d\n",idx);
//printf(" index: %d\n",idx);
}
if ( type == 10 )
{
int32_t tl, sn;
sn = readindex();
char *sname = (char*)(pkgfile+getname(sn,&tl));
printf(" struct: %.*s\n",tl,sname);
//printf(" struct: %.*s\n",tl,sname);
}
fpos += psiz;
prop = readindex();
pname = (char*)(pkgfile+getname(prop,&l));
goto retry;
}
noprop:
savesound(sndl,snd,head->pkgver);
savesound(sndl,snd,head->pkgver,pkgl,pkgn);
fpos = prev;
}
free(pkgfile);